romney is wrapping up his three-day bus tour of the state. president obama speaking in bowling green and kent. >>> a tornado has ripped through a small illinois town not far from st. louis. it damaged homes and cars and flipped over an 18-wheeler, sending two people to the hospital. >>> looking at today's weather, pleasant in the west, thunderstorms and tornadoes are a threat in the midwest. it's going to be a rainy start in the east, with storms in the late afternoon. >>> before signing a bill that paves the way for self-driving cars -- yes, we said self-driving cars, california governor jerry brown called those science fiction becoming tomorrow's reality. >> they're closer to becoming reality than you think. abc's jim avila has taken one for a test drive. >> reporter: you've seen this, cars that slam on the brakes before you hit a pole. but here's something you have never seen. the car of the future. making the driver totally unnecessary. no hands. google's working on one. and the federal government is sponsoring a field test in ann arbor,